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10 day weather forecast for Portsmouth

Monday, 20th October 2025, at 13:57
today
Heavy rain
15° 13°
tomorrow
Patchy rain possible
15° 11°
Wednesday
Patchy rain possible
14° 11°
Thursday
Moderate rain
11° 7°
Friday
Patchy rain possible
13° 9°
Saturday
Patchy rain possible
11° 8°
Sunday
Sunny
11° 6°
 More Details See
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Portsmouth Weather Pages

Portsmouth weather forecast

The weather forecast for Portsmouth over the next 5 days indicates damp and chilly conditions with temperatures ranging from 11 °C to 15 °C.

Rain is expected today and will continue at least through Friday.

Wind speeds are expected to be strong, averaging around 44 km/h.

Weather today
Portsmouth weather forecast

Portsmouth 14 days weather forecast

This weeks weather in Portsmouth. Click on a date for detailed forecasts
Mon. 20
15°
13°
Heavy rain
21.1 mm
Tue. 21
15°
11°
Patchy rain possible
0.4 mm
Wed. 22
14°
11°
Patchy rain possible
2.6 mm
Thu. 23
11°
7°
Moderate rain
11.2 mm
Fri. 24
13°
9°
Patchy rain possible
2.3 mm
Sat. 25
11°
8°
Patchy rain possible
0.2 mm
Sun. 26
11°
6°
Sunny
0 mm
Mon. 27
12°
7°
Patchy rain possible
1 mm
Tue. 28
14°
9°
Partly cloudy
0 mm
Wed. 29
14°
11°
Partly cloudy
0 mm
Thu. 30
16°
12°
Patchy rain possible
0.2 mm
Fri. 31
16°
15°
Moderate rain
6.8 mm
Sat. 1
14°
11°
Patchy rain possible
0.2 mm
Sun. 2
16°
12°
Moderate rain
6.7 mm
Further Ahead
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Access Portsmouth weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Portsmouth long range weather forecast

30 day weather forecast for Portsmouth
September
November
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Cloudy
17°
2
Cloudy
17°
3
Patchy rain possible
17°
4
Patchy rain possible
16°
5
Patchy rain possible
16°
6
Partly cloudy
17°
7
Sunny
17°
8
Partly cloudy
17°
9
Cloudy
18°
10
Sunny
16°
11
Light rain shower
16°
12
Patchy rain possible
17°
13
Light rain shower
17°
14
Patchy rain possible
14°
15
Overcast
15°
16
Patchy rain possible
15°
17
Partly cloudy
16°
18
Moderate rain
16°
19
Light rain shower
16°
20
Heavy rain
15°
21
Patchy rain possible
15°
22
Patchy rain possible
14°
23
Moderate rain
11°
24
Patchy rain possible
13°
25
Patchy rain possible
11°
26
Sunny
11°
27
Patchy rain possible
12°
28
Partly cloudy
14°
29
Partly cloudy
14°
30
Patchy rain possible
16°
31
Moderate rain
16°
Important Notice
Our Portsmouth long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in Portsmouth

The chart displays the expected rainfall values (in mm) over the next 14 days in Portsmouth, highlighting variations in precipitation levels for specific dates. ☔

Portsmouth Wind Speed Forecast Chart

This chart illustrates the projected daily max wind speed (in km) in Portsmouth over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀

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Location coordinates Where is Portsmouth?

Get accurate weather forecasts for Portsmouth, located at latitude 50.799 and longitude -1.091. Stay updated with localized weather information tailored for Portsmouth.

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